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|a 10.1109/TVCG.2023.3247056
|2 doi
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|a eng
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| 100 |
1 |
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|a Matsumuro, Miki
|e verfasserin
|4 aut
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| 245 |
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|a Modified Egocentric Viewpoint for Softer Seated Experience in Virtual Reality
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 04.04.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Users in a prolonged experience of virtual reality adopt a sitting position according to their task, as they do in the real world. However, inconsistencies in the haptic feedback from a chair they sit on in the real world and that which is expected in the virtual world decrease the feeling of presence. We aimed to change the perceived haptic features of a chair by shifting the position and angle of the users' viewpoints in the virtual reality environment. The targeted features in this study were seat softness and backrest flexibility. To enhance the seat softness, we shifted the virtual viewpoint using an exponential formula soon after a user's bottom contacted the seat surface. The flexibility of the backrest was manipulated by moving the viewpoint, which followed the tilt of the virtual backrest. These shifts make users feel as if their body moves along with the viewpoint; as a result, they would perceive pseudo-softness or flexibility consistently with the body movement. Based on subjective evaluations, we confirmed that the participants perceived the seat as being softer and the backrest as being more flexible than the actual ones. These results demonstrated that only shifting the viewpoint could change the participants' perceptions of the haptic features of their seats, although significant changes created strong discomfort
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Mori, Shohei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kataoka, Yuta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Igarashi, Fumiaki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shibata, Fumihisa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kimura, Asako
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 29(2023), 5 vom: 04. Mai, Seite 2230-2238
|w (DE-627)NLM098269445
|x 1941-0506
|7 nnas
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| 773 |
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|g volume:29
|g year:2023
|g number:5
|g day:04
|g month:05
|g pages:2230-2238
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|u http://dx.doi.org/10.1109/TVCG.2023.3247056
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